What are constructive effects of weathering?

What is the caddo Indians weather like? How much surfaces does the earth have? How far below the earths surface do earthquakes occur? Where do earthquakes don't usually happen? Where is there less water vapor in the air than over large bodies of water? Where are silos mostly found? This shiny nonmetal gives off purple vapors? What is the quickest way to dissolve a large amount of gelatin powder in a quart of water? Who discovered immovable continents? What does the theory of plate tectonics suggest about the creation of deep-sea trenches? What is the formula for the salt which is formed when hydrochloric acid reacts with sodium hydroxide? An atom of hydrogen and an atom of carbon are? What is an example of a binary molecular compound? What is the colour of potassium sulphate? What are piles of rock fragments at the base of a mountain called? What is the relation between altitude of a base cloud and the temperature of the air at that altitude? What is the amount of fluid pushed aside by an object called? What process in earth's interior causes subduction and sea floor spreading? What are the two main driving forces of the rock cycle-? What is structure of nitrite ester?

What are constructive effects of weathering?